legal issues faced by expert witnesses and the impact the Frye test has on scientific evidence proffered at trial. This essay also covers the decision that was reached by the courts concerning the fate of expert witness and expert testimony and some of the legal issue that affects the case.

Generally, every case which involves technical or scientific issues, or professional standards, will always need expert witness as well as expert testimony. There is non-uniformity in terms of the rules that evolved and the required standards concerning expert testimony, because they vary based on the jurisdiction. A number of times juries have been asked to provide a decision between the conflicting testimonies that have been provided by two or more expert witnesses, with the court either failing to give guidance or give little. Just as pointed out more than a century ago by Judge Learned Hand, "how can the jury...
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